Fix malformed OWNERS.

Per go/android-owners, include directions should be of the form
[gerrit_project_name]:[absolute_path_to_included_file].

Exempt-From-Owner-Approval: Only editing OWNERS file that ought
to be owned by ourselves, anyway.

Bug: 159055442
Test: Treehugger
Change-Id: I9130985b484349264f1fc42c320e93b2bc672a59
diff --git a/src/com/android/settings/backup/OWNERS b/src/com/android/settings/backup/OWNERS
index 7e7710b..0f88811 100644
--- a/src/com/android/settings/backup/OWNERS
+++ b/src/com/android/settings/backup/OWNERS
@@ -1,4 +1,4 @@
 # Bug component: 656484
 
-include platform/frameworks/base/services/backup:/OWNERS
+include platform/frameworks/base:/services/backup/OWNERS